package projectEuler;

public class Problem_02 {

	public static void main(String[] args) {
		int fib[] = new int[1000];
		fib[0] = 1;
		fib[1] = 2;
		int slider = 1;
		do{
			slider++;
			fib[slider] = fib[slider-1]+fib[slider-2]; 
			
		}while(fib[slider] <= 4000000);
		int total = 0;
		for(int count = 0; count < fib.length; count++){
			if(fib[count]%2 == 0){
				total = total+fib[count];
			}
		}
		System.out.println(total);
	}

}
